diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index 264886416..9218f816b 100644
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,3 +1,7 @@
+2007-03-25  Chris Sutcliffe  <ir0nh34d@users.sourceforge.net>
+
+	* Include/_mingw.h: Increment version to 3.12.
+
 2007-03-22   Brian Ripley  <ripleybd@users.sourceforge.net>
 
 	* include/_mingw.h (__CRT_INLINE): Make conditional on __GNUC_STDC_INLINE__.
diff --git a/winsup/mingw/include/_mingw.h b/winsup/mingw/include/_mingw.h
index b5b32ce80..81e81b8ec 100644
--- a/winsup/mingw/include/_mingw.h
+++ b/winsup/mingw/include/_mingw.h
@@ -169,8 +169,8 @@
 # define __MSVCRT_VERSION__ 0x0600
 #endif
 
-#define __MINGW32_VERSION 3.11
+#define __MINGW32_VERSION 3.12
 #define __MINGW32_MAJOR_VERSION 3
-#define __MINGW32_MINOR_VERSION 11
+#define __MINGW32_MINOR_VERSION 12
 
 #endif /* __MINGW_H */